1340104401 has 12 divisors (see below), whose sum is σ = 1936094212. Its totient is φ = 893223936.

The previous prime is 1340104399. The next prime is 1340104457. The reversal of 1340104401 is 1044010431.

It can be written as a sum of positive squares in 2 ways, for example, as 775566801 + 564537600 = 27849^2 + 23760^2 .

It is not a de Polignac number, because 1340104401 - 2¹ = 1340104399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340104001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45285 + ... + 68781.

Almost surely, 2^1340104401 is an apocalyptic number.

It is an amenable number.

1340104401 is a deficient number, since it is larger than the sum of its proper divisors (595989811).

1340104401 is a wasteful number, since it uses less digits than its factorization.

1340104401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29840 (or 29837 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1340104401 is about 36607.4364166627. The cubic root of 1340104401 is about 1102.5024023888.

Adding to 1340104401 its reverse (1044010431), we get a palindrome (2384114832).

The spelling of 1340104401 in words is "one billion, three hundred forty million, one hundred four thousand, four hundred one".